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Analysis
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max time kernel
134s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 21:30
Static task
static1
Behavioral task
behavioral1
Sample
8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
18 signatures
150 seconds
General
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Target
8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe
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Size
837KB
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MD5
706a0a7e0a310d4cd9892da6eac94bd5
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SHA1
ddfd97c15890011473a9f8f8a539f4abdd7097ff
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SHA256
8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1
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SHA512
e1912d9bb4af2795638a1c01bb2508ad970449c35daa4c621b2c4f7797a4f44d82a720e66c3258c2224c8ba51ad59bc5ea2fdafe8eb450e6106601f1e7a9a80a
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SSDEEP
12288:myisyhiNFfWcVFeYPPtuIk5BMqQy7wo/VrOH74xkcwpP78WwOXfwcntnicI:pisj3PlXtuXsqFwa9kcwpwW77ET
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Internet Security = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe" 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\N: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\O: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\Q: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\V: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\Y: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\F: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\J: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\L: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\Z: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\P: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\S: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\W: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\H: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\I: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\M: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\X: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\R: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\T: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\U: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\E: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\G: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe File opened (read-only) \??\K: 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe -
Suspicious use of FindShellTrayWindow 11 IoCs
pid Process 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe -
Suspicious use of SendNotifyMessage 11 IoCs
pid Process 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe 2004 8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe"C:\Users\Admin\AppData\Local\Temp\8b44c397aa90da26edcb396ebfabf215765797f0c08beb3f8c67fdd340ed7ad1.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2004